Lock box



FIG. 1 is a front perspective view of a lock box, showing our new design;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a top plan view of FIG. 1;

FIG. 5 is a bottom plan view of FIG. 1;

FIG. 6 is a right side elevational view of FIG. 1; and,

FIG. 7 is a left side elevational view of FIG. 1.

The broken lines illustrate unclaimed portions of the design and environment and form no part of the claimed design. 

CLAIM The ornamental design for a lock box, as shown and described. 